var a1=document.querySelector('[class="offer-list-row"]')
var a=a1.querySelectorAll('[class="offer-list-row-offer"]')
for (i = 0; i < a.length; i++) { 
 console.log(a[i].querySelector(".title-new>a.title-link")["href"])
 }

采集页面：https://18795584920.1688.com/page/offerlist.htm?spm=a261y.7663282.autotrace-topNav.3.59dd49e6hx8BGV